Page Number- 4

(1) What is the period of Earth’s rotation called?

  • A. Earth day
  • B. Earth year
  • C. Solar month
  • D. Earth cycle
(a) Earth day

(2) How many days does February have in a leap year?

  • A. 27
  • B. 28
  • C. 29
  • D. 30
(c) 29

(3) How often does February have 29 days?

  • A. Every year
  • B. Every second year
  • C. Every third year
  • D. Every fourth year
(d) Every fourth year

(4) In what type of orbit does the Earth revolve around the Sun?

  • A. Circular
  • B. Elliptical
  • C. Rectangular
  • D. Spiral
(b) Elliptical

(5) During its revolution, in what direction is the Earth inclined?

  • A. It changes direction constantly
  • B. In the same direction
  • C. Toward the Sun
  • D. Toward the Moon
(b) In the same direction

(6) What causes seasonal changes on Earth?

  • A. Earth’s rotation on its axis
  • B. Tilt of the Moon’s orbit
  • C. Solar flares
  • D. Change in the Earth’s position around the Sun
(d) Change in the Earth’s position around the Sun

(7) On 21st June, which hemisphere is tilted towards the Sun?

  • A. Northern Hemisphere
  • B. Southern Hemisphere
  • C. Both hemispheres
  • D. Neither hemisphere
(a) Northern Hemisphere

(8) On 21st June, the Sun’s rays fall directly on which line of latitude?

  • A. Equator
  • B. Arctic Circle
  • C. Tropic of Cancer
  • D. Tropic of Capricorn
(c) Tropic of Cancer

(9) Why do areas near the poles receive less heat on 21st June?

  • A. Because it is winter
  • B. Because of cloud cover
  • C. Because the Sun is farther away
  • D. Because they receive slanting rays
(d) Because they receive slanting rays

(10) On 21st June, how long do places around the Arctic Circle receive daylight?

  • A. 12 hours
  • B. 24 hours
  • C. 3 months
  • D. 6 months
(d) 6 months